MATHEMATICS JSS 3 SECOND TERM EXAMINATION
EDU DELIGHT TUTORS
LAGOS
JSS 3
MATHEMATICS
SECTION A
ANSWER ALL QUESTIONS
- The number of minutes in 2 ½ hours is _________(a) 90 (b) 150 (c) 200 (d)65
- Which one of the following is not equivalent to ½? (a) 9/18 (b) 11/22 (c) 15/30 (d) 24/42
- How many degrees are in right angle? (a) 900 (b) 750 (c) 400 (d) 2100
- Five pages of a 20page newspaper are missing, the percentage missing is _______ (a) 25% (b) 4% (c) 16% (d) 5%
- 3/5 of 5/3 is ____________ (a) 1/5 (b) 1/3 (c) 9/25 (d) 1
- Which of the following is 20% of 1 hour (a) 12 mins (b) 6 Mins (c) 5 Mins (d) 30 Mins
- Simplify 12x2y ÷ 3x (a) 4x2y (b) 4xy (c) 4y2 (d) 4x2
- If y-20 = 20, then y = __________(a) 4 (b) 10 (c) 40 (d) 35
- The sum of angles at a point is (a) 3600 (b) 2700 (c) 1800 (d) 900
- A number is trebled and then 17 is subtracted. If the result is 40, the original number is ___________(a) 7 2/3 (b) 57 (c) 11 (d) 19
- If Sin = 0.5, what is (a) 450 (b)600 (c) 300 (d) 900
- Which of the following groups of number form Pythagoras Tripple? (a) 6,8,10 (b) 4,6,8 (c) 3,2,5 (d) 10,13,14
- A market trader has 100 Oranges for sale, 4 of them are unripe, what is the probability that an orange chosen at random is ripe? (a) 4/100 (b) 90/100 (c) 2/5 (d) 24/25
- The sum of three consecutive numbers is 24. Find the numbers (a) 7,8,9 (b) 5,6,7 (c) 6,7,8 (d) 4,10,11
- Evaluate (11.67)2 – (8.33)2 (a) 61.88 (b) 66.80 (c) 20.00 (d) 23.24
- Factorize a2 + 13a + 36 () (a+12) (a+3) (b) (a + 2 )(a +18) (c) (a +9)(a +4( (d) (a +9) (a – 4)
- Factorize P2 – 4q2 (a) (p-2q)(p +2q) (b) (p – 7q)(p +7q) (c) (p – 4q)(p + 4q) (d) (p – 70 (p – 4q)
- Express 0.089752, correct to 3 significant figures (a) 0.0890 (b) 0.0895 (c) 0.0898 (d) 0.0897
- Convert 4325 to a number in base 10 (a) 11710 (b) 11510 (c) 17110 (d) 11610
- The coefficient of x in the expansion of ( x -2)(x +9) is (a) -18 (b) -14 (c) +17 (d) 7
- What is the reciprocal of -0.025? (a) 25 (b) -40 (c) +0.25 (d) 100/25
- X varies directly as Y, when x=4, y=3. Find y when x = 5 (a) 3.73 (b) 103 9c) 2.2 (d) 3.0
- Solve for n in 5n= 625 (a) 3 (b) 125 (c) 25 (d) 225
- Write 0.000362 in standard form (a) 2.63 X 10-6 (b) 2.63 X 10-5 (c) 3.62 X 10-4 (d) 3.62 X 104
- Express 2/a + 7/b as a single fraction (a) (b) (c) (d)
- Find the value of if Sin 400 = Cos (a) 500 (b) 400 (c) 900 (d) 750
- In the figure below, which of the following equation gives the value of a?(a) a2 = b2 + c2 (b) a2 = (b-c)2 (c) a2 =b2 – c2 (d) a2 = c2 – b2
- Calculate one third of the sum of 23 and the square of 5 (a) 71 (b) 16 (c) 19 (d) 9
- Express in base two, the square of 11two (a) 1000 (b) 1010 (c) 1101 (d) 1001
- The sum of three consecutive even numbers is 72, the highest of three numbers is 71, the highest of three number is ______(a) 12 (b) 26 (c) 24 (d) 14
- If P = 2(1 +b), express b in terms of P and L (a) 2(l +b) (b) P – 2l2 (c) p2 – L (d) 2P – L
- The area of Trapezium is calculated by (a) s2 (b) LB (c) πr2 (d) ½ (a+b)h
- Calculate the mean of the following numbers 10,2,3,6 and 4 (a) 3 (b) 4 (c) 5 (d) 6
- In an examination, 350 out of 1250 students failed. What percentage passed? (a) 35% (b) 72% (c) 50% (d) 65%
- Find the multiplicative inverse of 10/9 (a) 1/9 (b) 9/10 (c) 10/9 (d) -9/10
- Factorize 2x2 – 18xy (a) 2x(x + 9y2) (b) 2x (x -9y) (c) x(x – 9y) (d) x(9x2 – 2x)
- What is the coefficient of y in the equation 5y2 – 3/4y + 7 = 0 (a) 5 (b) 6 (c) -3/4 (d) 7
- Four lines meet at a point, the sum of three of the angles at a points is 2670, the size of the other is _______ (a) 87o (b) 890 (c) 900 (d) 930
- Two right angles measure ______(a) 3600 (b) 1800 (c) 1200 (d) 900
- Round off 2.6548 correct to three decimal places (a) 2.66 (b) 2.655 (c) 2.670 (d) 2.654
SECTION B
Answer Four Questions
- The sides of the rectangle in the diagram below are given in cm.
- Find x and y and the area of the rectangle
- The angles of a quadrilateral are x0, 3x0, 5x0 and 6x0. Find x and hence calculate the angles of the quadrilateral.
- A rectangular piece of cardboard is 40m wide. The length of the diagonal is 50m. What is the area of the cardboard?
- The score obtained in a mathematics quiz by 5 boys are 4, 6,3,6,7 and for 4 girls are 6,3,4,7. Calculate for all scores the:
- Mean
- Median
- Range
- Mode
- The distribution of junior workers in an institution are as follows:
Clerks 78
Drivers 36
Typists 44
Messengers 52
Others 30
Present the information in a pie chart
- Given a formula A= P + PRT100
- Make P the subject of the formula
- Find P if A = 920, T =2½ and R = 6 to 3S.F
- Simplify (4.8 X 1017) ÷ (0.12 X 104), leave your answer in standard form.
- Make P the subject of the formula
[the_ad id=”40092″]
Am a dedicated educator with a passion for learning and a keen interest in technology. I believe that technology can revolutionize education and am committed to creating an online hub of knowledge, inspiration, and growth for both educators and students. Welcome to Edu Delight Tutors, where learning knows no boundaries.